Life Sciences Commons^™

G80-517 Kentucky Bluegrass Lawn Calendar (Revised October 1994), Roch E. Gaussoin, Terrance P. Riordan, Garald L. Horse, John E. Watkins, Frederick P. Baxendale

University of Nebraska-Lincoln Extension: Historical Materials

This publication calendar contains information on mowing, fertilizing, waternig, herbicides, insect control, disease control, thatch removal, aerification, and overseeding of a Kentucky Bluegrass Lawn.

G80-505 Economics Of Energy Used In Fallow Systems For Winter Wheat-Fallow Rotation, Robert E.J. Retzlaff, Vernon L. Hofman

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses the economic advantages of using a fallow system with winter wheat.

In 1979, Americans watched gasoline, diesel, and other petroleum products dramatically increase in price. The amount of imported crude oil increased and the demand continued strong despite higher prices. Conservation of energy, either forced or voluntary, seems to be one of the key solutions to the energy crisis.

G80-510 Sagebrush Control, Robert G. Wilson, Patrick E. Reece

University of Nebraska-Lincoln Extension: Historical Materials

Sagebrush is an all encompassing term commonly used to describe Artemisia species found on range and pasture lands in Nebraska. The dominant woody sagebrush species found in western Nebraska are sand sagebrush, fringed sagebrush, green sagewort, and big sagebrush. These species vary in appearance, distribution and control recommendations. All four species are perennials, have deep extensive root systems and flower in the latter part of the summer. The leaves of sagebrush have a strong odor as a result of camphor like compounds. Palatability and digestibility of sagebrush species found in Nebraska tend to be poor because of high volatile oil …

G80-495 Managing Two-Year-Old Beef Heifers (Calving - Rebreeding), Gene H. Deutscher

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses the nutrition and management practices recommended for beef heifers during precalving, calving, and early lactation periods. Proper development of replacement heifers has a great influence on the success of calving and rebreeding them as two-year-olds. NebGuide G80-493, Developing Replacement Beef Heifers (Weaning-Breeding), points out that proper selection, adequate nutrition, and judgment in sire selection are all important management factors for developing heifers into high producing cows. With good management before breeding, a high percentage of heifers should be bred early in a short breeding season. Heifers should be pregnancy checked and the open ones culled. Thereafter, the …

G80-536 Reproductive Trace Anatomy And Physiology Of The Bull, Gene H. Deutscher

University of Nebraska-Lincoln Extension: Historical Materials

Understanding the anatomy and physiology of the bull's reproductive tract is beneficial for proper management. Good reproductive performance of a bull is necessary to obtain a high percent calf crop. A bull must be fertile and capable of servicing a large number of cows during a short breeding season for optimum production. Understanding the anatomy and physiology of the bull's reproductive tract is beneficial for proper management. A basic knowledge of the reproductive system will also help the producer to understand fertility examinations, reproductive problems and breeding impairments.

G80-489 Feeding The Beef Cow Herd--Part I Factors Affecting The Cow Nutrition Program, Richard J. Rasby, Ivan G. Rush

University of Nebraska-Lincoln Extension: Historical Materials

Considerations for getting the most from your beef cow herd are covered in this NebGuide, including calving season, factors affecting nutrient requirements, cow rations and more.

Feed costs are the greatest expense in keeping a cow herd, and the nutrition program dictates reproductive performance. The ultimate goal for a cow/calf manager is to keep feed costs low, but still meet the nutrient requirements of the cow herd so reproductive performance is not impaired. Once these two factors are balanced, producers, through new genetics of added growth or milk production, can match increased weaning weight with the most economical feed resources …

G80-537 Reproductive Trace Anatomy And Physiology Of The Cow, Gene H. Deutscher

University of Nebraska-Lincoln Extension: Historical Materials

Knowledge of basic reproduction will help a producer to obtain higher conception rates when using estrous synchronization and/or artificial insemination. The reproductive performance of a cow herd has a great influence on the income and profit realized. A good understanding of the anatomy and physiology of the cow's reproductive system is, therefore, beneficial for successful management. Knowledge of basic reproduction will help a producer to obtain higher conception rates when using estrous synchronization and/or artificial insemination. It will also allow for a better understanding of pregnancy examinations, reproductive diseases and calving difficulty problems.

G80-486 Crickets (Revised June 1987), David L. Keith, Shripat T. Kamble

University of Nebraska-Lincoln Extension: Historical Materials

Crickets: identification, damage, and control.

Crickets belong to the order Orthoptera, most members of which have enlarged hind legs, adapted for jumping. In addition, members of this group possess opaque, leather-like forewings that cover a pair of clear, membranous hindwings. Most crickets are nocturnal, whereas their grasshopper cousins are active only during the daytime. Members of the cricket family usually have very long antennae and their wings have the front margin folded sharply over the side of the body, giving them a "boxlike" appearance. Female crickets are characterized by having long, spear-shaped ovipositers, used for egg-laying.

Crickets are sometimes confused …

G80-530 Brooder House And Equipment For The Home Flock, Earl W. Gleaves

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses housing and equipment needs for raising home poultry flocks.

This NebGuide lists and describes some of the types of houses and equipment that can be used to raise a home poultry flock. Other management suggestions are included in a series of NebGuides that are available from your county Extension office.

G80-503 Vegetable Garden Seed Storage And Germination Requirements, Dale T. Lindgren

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide has information on the selection and storage of vegetable garden seed.

A successful garden begins with the selection and use of high quality seed of adapted superior varieties. Start by purchasing seed from a reputable seed company. Save records of your seed orders, so if you do have a complaint you can contact the sales company. Saving records of your seed orders is also useful for keeping track of the varieties you planted.

G80-496 Tomatoes In The Home Garden, Laurie Hodges, Dale T. Lindgren, Susan Schoneweis

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide outlines tomato rearing practices, cultivars and possible pest, disease and weed control problems.

Tomatoes come in a wide range of fruit colors, sizes, shapes and maturities. Ripe tomatoes may be red, yellow, orange, pink or even green. Shapes vary from globe or round to slightly flattened, pear-like or cherry-sized. Often consumers complain tomatoes purchased in grocery stores are lacking in flavor or have tough skin. In a home garden, you can grow the tomatoes you prefer, including a wide selection of fruit colors, flavors, textures and sizes. Although rumored, there is no direct link between fruit acidity and …

G80-521 Common Stalk Borer In Corn (Revised April 2000), Robert J. Wright, Thomas E. Hunt, Keith J. Jarvi

University of Nebraska-Lincoln Extension: Historical Materials

The life history and appearance of common stalk borers is described, along with information on damage they can cause, economic injury levels and ways to control them in corn.

In the past, the common stalk borer, Papaipema nebris, has not been a major pest of corn in Nebraska. Stalk borer damage in corn commonly is confined to occasional plants in the first few rows near field margins, fence rows, grass terraces and waterways. In addition to attacking corn, this insect attacks over one hundred other species of plants, including ornamentals, broadleaf weeds and grasses. It may feed on soybeans …

G80-525 Drip Irrigation For Windbreaks, Walter L. Trimmer, Brian R. Chandler

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide contains information on designing and installing drip irrigation systems, which can help your trees become effective windbreaks at an earlier date than non-irrigationd trees.

Windbreaks can be a valuable asset to farmers ranchers and rural residents. A properly designed tree windbreak or shelterbelt provides protection for livestock, crops and farmsteads. A windbreak can also mean significant energy savings for heating a rural residence.

Drip or trickle irrigation can help establish successful tree plantings and help them become effective windbreaks at an earlier date than non-irrigationd trees. Drip irrigating windbreaks can mean significant labor savings and less water use …

G80-500 Ecofarming: Selection Of Tractor Mounted Or Pull-Type Sprayers, Norman L. Klocke, G. A. Wicks, R. Fenster

University of Nebraska-Lincoln Extension: Historical Materials

Uniform application of dependable herbicides in the ecofarming program is a key to its success. A good sprayer is needed to accomplish this, and not every new sprayer available will do the job. The following sprayer components should be checked carefully: pump, tank, tank agitation, flow-control assembly, strainers and screens, distribution system (including boom), and nozzles. Each of the components is important if the sprayer is to do an accurate and uniform job of application.

G80-488 Spring And Summer Black Stem Diseases Of Alfalfa (Revised June 1992), John E. Watkins, Fred A. Gray

University of Nebraska-Lincoln Extension: Historical Materials

Spring and summer black stem of alfalfa, their causes, symptoms, and control are discussed.

Of the two black stem diseases found in the central and northern Great Plains, spring black stem predominates summer black stem. Both are damaging when weather conditions favor their development. Although their symptoms differ, each causes spotting and darkening of stems and spotting of leaves.

G80-504 Proper Livestock Grazing Distribution On Rangeland (Revised February 1996), Jerry D. Volesky, Walter H. Schacht, Steven S. Waller

University of Nebraska-Lincoln Extension: Historical Materials

Good grazing distribution can increase harvest efficiency and grazing capacity. This NebGuide discusses common grazing problems and offers solutions.

The 23 million acres of rangeland in Nebraska are mostly grassland and are primarily devoted to forage production for Nebraska's multibillion dollar beef cattle industry. Nebraska's rangelands are inherently productive, and potential returns from efficient management practices are high for livestock producers.

Proper grazing distribution is a factor which can increase livestock production from Nebraska's rangeland. Grazing distribution refers to dispersion of grazing animals over a management unit. It is just one element of good grazing management which should also include …

G80-531 Swine Manure Management Systems, Elbert C. Dickey, Mike Brumm, David P. Shelton

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide examines the advantages and disadvantages of various types of swine manure management systems. Manure management is an integral part of any swine production system and must be carefully considered when planning new or remodeled facilities. Manure management objectives may include 1) optimum nutrient retention and utilization; 2) minimum land, labor or capital requirements; 3) odor control; 4) animal and/or human health and performance considerations; or 5) some combination of these objectives. Because of differences in land availability, climate, capital, labor and management skills among producers, a single, best management system for manure cannot be defined.

It Pays To Test Your Irrigation Pumping Plant, George C. Morin, Deon D. Axthelm, Laverne E. Stetson, Paul Fischbach, Dean Eisenhauer, James R. Gilley, Wayne F. Kroutil, Walter L. Trimmer

University of Nebraska-Lincoln Extension: Historical Materials

A pumping plant performance test can determine the energy efficiency of an irrigation pumping plant and provIde information on adjustments needed to improve energy efficiency. The performance of an irrigation pumping plant should be evaluated by trained personnel using accurate testing equipment. This service can be performed by consulting engineers, by many well drilling companies, and some Natural Resources Districts and Public Power Districts. See your County Extension Agent for more information concerning these services.

A pumping plant test should be performed regardless of the age of your system. Test all new systems so that you can be assured that …

A Guide To Integrated Pest Management At Feedlots And Dairies, J. B. Campbell, C. D. Mcneal

University of Nebraska-Lincoln Extension: Historical Materials

Integrated Pest Management (IPM) is rather new terminology used to describe the old art of keeping pest infestations below economic levels by utilizing a combination of control methodologies. This guide has been prepared to assist feedlot and dairy operators and consultants in an integrated approach to the management of pests. It is our purpose to outline a combination of sanitation, chemical methods and cultural control of stable flies, house flies and--to a much lesser extent--rats and starlings. The guide may also be useful to entomology and animal science students and county agents.

Stable fly, Stomoxys calcitrans (L.)

House Fly, Musca …

G80-518 Factors In Marketing Corn, W. Duane Foote

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide discusses grain standards for corn and how they effect the value of corn.

Grading standards have been established for corn, wheat, barley, oats, rye, sorghum, flax seed, soybeans, triticale, and mixed grain. Grade requirements are designed to describe grain and provide the foundation for pricing. Within a defined range, grain standards inform buyers and sellers about the general characteristics of the grain being graded. Thus, a uniform system of grading is essential for the orderly marketing of grain.

G80-526 The Effect Of Weather On Corn: Preseason Precipitation And Yield Of Unirrigationed Corn, Ralph E. Neild

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide examines the results of studies done on the effects of weather on unirrigationd corn.

Studies of the effects of weather on unirrigationd corn in Nebraska between 1950 and 1974 show the following four factors to be closely related to yield:

Technology--the availability of better hybrids, nitrogen fertilizer, herbicides, insecticides and other improvements have resulted in a yield increase averaging 1.3 bushel per acre per year since 1950.

Preseason precipitation--that which occurred between September 1 and May 15 had a beneficial effect. Yield increased on the average of 1.1 bushel per acre for each inch that preseason precipitation was …

G80-487 Spring Small Grains Variety Selection (Revised January 1992), Russell Moomaw, Lenis Alton Nelson, David D. Baltensperger, Roger Hammons

University of Nebraska-Lincoln Extension: Historical Materials

Tests indicate which varieties of oats, barley and spring wheat are best adapted to Nebraska growing conditions. The primary spring small grain grown in Nebraska is oats. Oats are grown throughout the state, but production is concentrated in the east and northeast cropping districts. Nebraska's estimated harvested oat acreage in 1989 was 310,000 acres. Spring barley production is centered in the northwest and southwest districts. Harvested barley acreage in 1990 was 30,000 acres. Barley is commonly grown as an early summer feed grain and corn substitute. Spring wheat production in Nebraska is concentrated in the northern section of the state …

G79-476 Composition Of Feeds In Relation To Cattle Nutrition, Paul Q. Guyer, Foster G. Owen

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide examines the major nutritional components of cattle feed. Plants serve as the major source of feed for livestock. Nutrients required for maintenance and production are provided by various plants and plant derived feeds along with small amounts from non-plant sources. The major constituents of plants are water, carbohydrates, protein, fat, minerals and vitamins. Both plants and animals contain these nutrients, but the relative proportions vary more in plants.

G79-429 Tan Spot Disease Of Wheat (Revised June 1993), John E. Watkins, Robert N. Klein, Eric D. Kerr

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide describes the development of tan spot disease in wheat and gives recommendations for controlling it by means of crop rotation, fungicides and good crop residue management.

Tan spot, caused by the fungus Pyrenophora tritici-repentis, is a major leafspot disease of winter wheat in the Great Plains of North America. It has become an increasing problem in wheat cropping systems using conservation tillage. Although tan spot can be a serious threat by itself, it more often occurs as a part of a foliar disease complex involving tan spot, leaf rust and Septoria leaf blotch. Usually tan spot symptoms …

G79-453 Sheep Space Allotments, Ted Doane

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide helps sheep producers plan for optimum spacing requirements for different classes of sheep.

Many sheep producers are converting old farmstead buildings to livestock facilities, or are interested in building new units for sheep. A producer planning his sheep facilities needs to know the optimum spacing required for different classes of sheep. This NebGuide is designed to help make these decisions.

G79-465 Urinary Calculi (Waterbelly) In Cattle And Sheep, Ivan G. Rush, Dale Grotelueschen

University of Nebraska-Lincoln Extension: Historical Materials

This publication discusses the symptoms, management and treatment of various types of urinary calculi diseases in cattle and sheep.

The term "urinary calculi" refers to deposits in the urinary tract. These deposits may block the flow of urine, particularly in male cattle and sheep. Prolonged blockage generally results in rupture of the urinary bladder or urethra, releasing urine into the surrounding tissues. This produces the condition commonly referred to as "waterbelly."

Two types of urinary calculi, both mineral in nature, predominate in cattle and sheep: (1) the phosphatic type formed principally under feedlot conditions and (2) the siliceous type occurring …

G79-467 Livestock Water Quality, Paul Q. Guyer

University of Nebraska-Lincoln Extension: Historical Materials

The purpose of this report is to discuss what is involved in livestock water quality and how one goes about getting an analysis that will help in determining this quality, and to assist in the interpretation of such an analysis.

A successful livestock enterprise requires a good water supply, both in terms of quantity and quality. While shortage is obvious to the stockowner, he sometimes needs the help of a laboratory in evaluating the quality of a supply. The purpose of this report is to discuss what is involved in livestock water quality and how one goes about getting an …

G79-430 Oat Production In Nebraska (Revised March 1992), Russell Moomaw, Charles A. Shapiro

University of Nebraska-Lincoln Extension: Historical Materials

Information is provided for various oat production practices including seed selection, fertilizing, planting, weed control and harvest. Oats were among the first crops grown by pioneers who settled eastern Nebraska. As recently as 1950, Nebraska produced 2.7 million acres of oats. Acreage has declined steadily, however, and in 1990 there were just 300,000 acres. Oats are grown throughout the state, with the majority being in eastern Nebraska where the cool, moist climate provides for the best growth. The feed value of oats also favors its production in northeast Nebraska where swine, dairy cattle, and beef cattle production are heavy. An …

G79-434 Feeding Guides For The Ewes, Ted Doane

University of Nebraska-Lincoln Extension: Historical Materials

In utilizing the information in this publication, the sheepman and those advising him must keep in mind the ultimate objectives of the production program in question.

The major problem in nutrition is the definition of the desired animal function. Maintenance of the ewe, for example, is generally thought of in terms of the dry ewe. Yet maintenance of productive functions is a constant cost in ewe nutrition, whether she is pregnant, lactating, dry, or in the process of being bred for another year.

In utilizing the information in this publication, the sheepman and those advising him must keep in mind …

G79-474 Understanding Wind Erosion And Its Control, William A. Hayes, C.R. Fenster

University of Nebraska-Lincoln Extension: Historical Materials

Wind erosion is a serious hazard on millions of acres of land in the United States, most of which are in the Great Plains.

There are a number of things an individual can do control wind erosion but basically they all point to accomplishing one or more of the following objectives:

1. Reduce the wind velocity at the soil surface. This is done with windbreaks, crop residues, cover crops, surface roughness, and wind stripcropping.

2. Trap soil particles. This is accomplished by ridging or roughening the soil surface to trap moving soil particles.

3. Increase size of soil aggregates. This …